4118785897 has 2 divisors, whose sum is σ = 4118785898. Its totient is φ = 4118785896.

The previous prime is 4118785889. The next prime is 4118785907. The reversal of 4118785897 is 7985878114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2909415721 + 1209370176 = 53939^2 + 34776^2 .

It is a cyclic number.

It is not a de Polignac number, because 4118785897 - 2³ = 4118785889 is a prime.

It is not a weakly prime, because it can be changed into another prime (4118785807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2059392948 + 2059392949.

It is an arithmetic number, because the mean of its divisors is an integer number (2059392949).

Almost surely, 2^4118785897 is an apocalyptic number.

It is an amenable number.

4118785897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4118785897 is an equidigital number, since it uses as much as digits as its factorization.

4118785897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 58.

The square root of 4118785897 is about 64177.7679340751. The cubic root of 4118785897 is about 1602.9614290015.

The spelling of 4118785897 in words is "four billion, one hundred eighteen million, seven hundred eighty-five thousand, eight hundred ninety-seven".